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curl

    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
    9:  *
   10:  * This software is licensed as described in the file COPYING, which
   11:  * you should have received as part of this distribution. The terms
   12:  * are also available at https://curl.haxx.se/docs/copyright.html.
   13:  *
   14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   15:  * copies of the Software, and permit persons to whom the Software is
   16:  * furnished to do so, under the terms of the COPYING file.
   17:  *
   18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   19:  * KIND, either express or implied.
   20:  *
   21:  ***************************************************************************/
   22: #include "curlcheck.h"
   23: 
   24: #include "urldata.h"
   25: #include "progress.h"
   26: 
   27: static int usec_magnitude = 1000000;
   28: 
   29: static bool unit_setup(void)
   30: {
   31:   return CURLE_OK;
   32: }
   33: 
   34: static void unit_stop(void)
   35: {
   36: 
   37: }
   38: 
   39: /*
   40:  * Invoke Curl_pgrsTime for TIMER_STARTSINGLE to trigger the behavior that
   41:  * manages is_t_startransfer_set, but fake the t_startsingle time for purposes
   42:  * of the test.
   43:  */
   44: static void fake_t_startsingle_time(struct Curl_easy *data,
   45:                                     struct curltime fake_now,
   46:                                     int seconds_offset)
   47: {
   48:   Curl_pgrsTime(data, TIMER_STARTSINGLE);
   49:   data->progress.t_startsingle.tv_sec = fake_now.tv_sec + seconds_offset;
   50:   data->progress.t_startsingle.tv_usec = fake_now.tv_usec;
   51: }
   52: 
   53: static bool usec_matches_seconds(timediff_t time_usec, int expected_seconds)
   54: {
   55:   int time_sec = (int)(time_usec / usec_magnitude);
   56:   bool same = (time_sec == expected_seconds);
   57:   fprintf(stderr, "is %d us same as %d seconds? %s\n",
   58:           (int)time_usec, expected_seconds,
   59:           same?"Yes":"No");
   60:   return same;
   61: }
   62: 
   63: static void expect_timer_seconds(struct Curl_easy *data, int seconds)
   64: {
   65:   char msg[64];
   66:   msnprintf(msg, sizeof(msg), "about %d seconds should have passed", seconds);
   67:   fail_unless(usec_matches_seconds(data->progress.t_nslookup, seconds), msg);
   68:   fail_unless(usec_matches_seconds(data->progress.t_connect, seconds), msg);
   69:   fail_unless(usec_matches_seconds(data->progress.t_appconnect, seconds), msg);
   70:   fail_unless(usec_matches_seconds(data->progress.t_pretransfer, seconds),
   71:               msg);
   72:   fail_unless(usec_matches_seconds(data->progress.t_starttransfer, seconds),
   73:               msg);
   74: }
   75: 
   76: /* Scenario: simulate a redirect. When a redirect occurs, t_nslookup,
   77:  * t_connect, t_appconnect, t_pretransfer, and t_starttransfer are addative.
   78:  * E.g., if t_starttransfer took 2 seconds initially and took another 1
   79:  * second for the redirect request, then the resulting t_starttransfer should
   80:  * be 3 seconds. */
   81: UNITTEST_START
   82:   struct Curl_easy data;
   83:   struct curltime now = Curl_now();
   84: 
   85:   data.progress.t_nslookup = 0;
   86:   data.progress.t_connect = 0;
   87:   data.progress.t_appconnect = 0;
   88:   data.progress.t_pretransfer = 0;
   89:   data.progress.t_starttransfer = 0;
   90:   data.progress.t_redirect = 0;
   91:   data.progress.start.tv_sec = now.tv_sec - 2;
   92:   data.progress.start.tv_usec = now.tv_usec;
   93:   fake_t_startsingle_time(&data, now, -2);
   94: 
   95:   Curl_pgrsTime(&data, TIMER_NAMELOOKUP);
   96:   Curl_pgrsTime(&data, TIMER_CONNECT);
   97:   Curl_pgrsTime(&data, TIMER_APPCONNECT);
   98:   Curl_pgrsTime(&data, TIMER_PRETRANSFER);
   99:   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
  100: 
  101:   expect_timer_seconds(&data, 2);
  102: 
  103:   /* now simulate the redirect */
  104:   data.progress.t_redirect = data.progress.t_starttransfer + 1;
  105:   fake_t_startsingle_time(&data, now, -1);
  106: 
  107:   Curl_pgrsTime(&data, TIMER_NAMELOOKUP);
  108:   Curl_pgrsTime(&data, TIMER_CONNECT);
  109:   Curl_pgrsTime(&data, TIMER_APPCONNECT);
  110:   Curl_pgrsTime(&data, TIMER_PRETRANSFER);
  111:   /* ensure t_starttransfer is only set on the first invocation by attempting
  112:    * to set it twice */
  113:   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
  114:   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
  115: 
  116:   expect_timer_seconds(&data, 3);
  117: UNITTEST_STOP